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ASTM A369 Grade FP5 vs. S20910 Stainless Steel

Both ASTM A369 grade FP5 and S20910 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP5 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
14 to 39
Fatigue Strength, MPa 160
310 to 460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 300
500 to 570
Tensile Strength: Ultimate (UTS), MPa 470
780 to 940
Tensile Strength: Yield (Proof), MPa 240
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.8
Embodied Energy, MJ/kg 23
68
Embodied Water, L/kg 69
180

Common Calculations

PREN (Pitting Resistance) 6.8
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28 to 33
Strength to Weight: Bending, points 17
24 to 27
Thermal Diffusivity, mm2/s 11
3.6
Thermal Shock Resistance, points 13
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 4.0 to 6.0
20.5 to 23.5
Iron (Fe), % 92.1 to 95.3
52.1 to 62.1
Manganese (Mn), % 0.3 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0.45 to 0.65
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3